[Duplicity-talk] What exactly duplicity check on Verify step? Why i get 'Difference found: File xxxxx has mtime Wed Jan 19 09:49:14 2011, expected Wed Jan 19 00:21:25 2011'?

[Ali Nebi]

Hi,

we started to use duply with duplicity to backup to S3 and it looks like it is working fine as we expect.

Our Backup process looks this way:

Test - Compare Original w/ Decryption (OK)
Cleanup - Delete '/mnt/duply.25973.1295424457_*'(OK)

--- Start running command PRE at 09:07:37.719 ---
Running '/etc/duply/s3backup/pre' - OK
--- Finished state OK at 09:11:16.610 - Runtime 00:03:38.890 ---

--- Start running command BKP at 09:11:16.745 ---
Reading globbing filelist /etc/duply/s3backup/exclude
Local and Remote metadata are synchronized, no sync needed.
Last full backup date: Sun Jan  9 16:11:23 2011
--------------[ Backup Statistics ]--------------
StartTime 1295424679.13 (Wed Jan 19 09:11:19 2011)
EndTime 1295425298.09 (Wed Jan 19 09:21:38 2011)
ElapsedTime 618.96 (10 minutes 18.96 seconds)
SourceFiles 923041
SourceFileSize 52364581738 (48.8 GB)
NewFiles 267
NewFileSize 486792939 (464 MB)
DeletedFiles 191
ChangedFiles 215
ChangedFileSize 23833091 (22.7 MB)
ChangedDeltaSize 0 (0 bytes)
DeltaEntries 673
RawDeltaSize 504091660 (481 MB)
TotalDestinationSizeChange 409041655 (390 MB)
Errors 0
-------------------------------------------------

--- Finished state OK at 09:23:01.554 - Runtime 00:11:44.809 ---

--- Start running command POST at 09:23:01.783 ---
Skipping n/a script '/etc/duply/s3backup/post'.
--- Finished state OK at 09:23:01.967 - Runtime 00:00:00.183 ---

--- Start running command VERIFY at 09:23:02.163 ---
Reading globbing filelist /etc/duply/s3backup/exclude
Local and Remote metadata are synchronized, no sync needed.
Last full backup date: Sun Jan  9 16:11:23 2011
Difference found: File etc has mtime Wed Jan 19 09:49:14 2011, expected Wed Jan 19 00:21:25 2011
Difference found: File etc/resolv.conf has mtime Wed Jan 19 09:49:14 2011, expected Wed Jan 19 00:21:25 2011


My questions are related with Verify step.

1. What duplicity exactly checks in Verify step?
2. Why we get 'Difference found: File etc/resolv.conf has mtime Wed Jan 19 09:49:14 2011, expected Wed Jan 19 00:21:25 2011' lines on this process?
3. Is this an error in backup process and does this break my backup and it is not ok?
4. Verify return status 1, does this mean that my backup is broken and i should take care for those listed files or the backup is healthy and fully functional?

These are my questions.

I will appreciate to hear your answers.

Thanks in advanced.